A recent study in
team found those who were vegetarian by 30 had recorded five IQ points more on average at the age of 10. Southampton University
Researchers said it could explain why people with higher IQ were healthier as a vegetarian diet was linked to lower heart disease and obesity rates.
Researchers said the findings were partly related to better education and higher occupational social class, but it remained statistically significant after adjusting for these factors.
Vegetarians were more likely to be female, to be of higher occupational social class and to have higher academic or vocational qualifications than non-vegetarians.
However, these differences were not reflected in their annual income, which was similar to that of non-vegetarians. [Link]
More and more people are turning vegetarian in the western world and such studies would definitely give a boost to the vegetarian movement.